/***************************************************************************
  tag: Peter Soetens  Mon Jan 19 14:11:20 CET 2004  StreamProcessor.hpp

                        StreamProcessor.hpp -  description
                           -------------------
    begin                : Mon January 19 2004
    copyright            : (C) 2004 Peter Soetens
    email                : peter.soetens@mech.kuleuven.ac.be

 ***************************************************************************
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU General Public                   *
 *   License as published by the Free Software Foundation;                 *
 *   version 2 of the License.                                             *
 *                                                                         *
 *   As a special exception, you may use this file as part of a free       *
 *   software library without restriction.  Specifically, if other files   *
 *   instantiate templates or use macros or inline functions from this     *
 *   file, or you compile this file and link it with other files to        *
 *   produce an executable, this file does not by itself cause the         *
 *   resulting executable to be covered by the GNU General Public          *
 *   License.  This exception does not however invalidate any other        *
 *   reasons why the executable file might be covered by the GNU General   *
 *   Public License.                                                       *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU General Public             *
 *   License along with this library; if not, write to the Free Software   *
 *   Foundation, Inc., 59 Temple Place,                                    *
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 *                                                                         *
 ***************************************************************************/

#ifndef STREAMPROCESSOR_HPP
#define STREAMPROCESSOR_HPP

namespace RTT
{ namespace marsh {


    /**
     * @brief An interface for setting and getting a
     * stream object. This can be a file, a string buffer,...
     */
    template<class Stream>
    class StreamProcessor
    {
        public:
        /**
         * Create a StreamProcessor.
         * @param _s The stream to be processed.
         */
        StreamProcessor( Stream& _s )
            :s(&_s)
        {}

        /**
         * Create a StreamProcessor.
         * @param _s The stream to be processed.
         */
        StreamProcessor( Stream* _s )
            :s(_s)
        {}

        /**
         * Set a new Stream.
         * @param _s The stream to be processed.
         */
        void setStream( Stream& _s)
        {
            s = &_s;
        }

        /**
         * Get the current Stream
         * @return The current Stream.
         */
        Stream& getStream()
        {
            return *s;
        }

        protected:
        Stream* s;
    };

}}

#endif
